 testing starter motor |
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| JFG |
 Jun 15 2017, 12:40 PM
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#1
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Senior Member  Group: Members Posts: 686 Joined: 7-April 16 From: Wales Member No.: 19,869 Region Association: None  |
I need to test the starter motor as it's condition is unknown, it was a "freebie" when i bought the gearbox.
As i don't have access to the haynes manual at the moment i was hoping someone could tell me where to power and jump to get the starter to engage?  |
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Replies(1 - 7)
| McMark |
Jun 15 2017, 01:07 PM
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#2
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914 Freak! Group: Retired Admin Posts: 20,180 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
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| JFG |
Jun 15 2017, 01:45 PM
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#3
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Senior Member Group: Members Posts: 686 Joined: 7-April 16 From: Wales Member No.: 19,869 Region Association: None |
Thanks for the help
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| bbrock |
Jun 15 2017, 03:02 PM
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#4
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914 Guru Group: Members Posts: 5,269 Joined: 17-February 17 From: Montana Member No.: 20,845 Region Association: Rocky Mountains 
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Follow up question. I have a box of 3 starters of unknown condition I'll be testing sometime in the next year. They all worked when they came off the cars some 30 years ago. Are these things "GO NO-GO" or is there a way to decide which one is in the best condition.
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| Mueller |
Jun 15 2017, 03:06 PM
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#5
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914 Freak! Group: Members Posts: 17,155 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None
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QUOTE(bbrock @ Jun 15 2017, 02:02 PM)  Follow up question. I have a box of 3 starters of unknown condition I'll be testing sometime in the next year. They all worked when they came off the cars some 30 years ago. Are these things "GO NO-GO" or is there a way to decide which one is in the best condition. I might be a little off base here, but I'd do the following: visual check> electrical check*> inspect the brushes *be careful due to the starting torque the starter could move too much ripping the wires off the leads and shorting. |
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| 914Sixer |
Jun 15 2017, 04:04 PM
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#6
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914 Guru Group: Members Posts: 9,179 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Take them down to your friendly local auto parts store (FLAPS).
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| MartyYeoman |
Jun 15 2017, 04:18 PM
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#7
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Senior Member Group: Members Posts: 1,536 Joined: 19-June 03 From: San Ramon, CA Member No.: 839 Region Association: Northern California
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Take bench testing with a grain of salt. I've had starters test fine on the bench and still act unpredictably when under load. Just saying. (IMG:style_emoticons/default/headbang.gif)
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| porschetub |
Jun 15 2017, 11:56 PM
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#8
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Advanced Member Group: Members Posts: 4,869 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(Marty Yeoman @ Jun 16 2017, 10:18 AM) Take bench testing with a grain of salt. I've had starters test fine on the bench and still act unpredictably when under load. Just saying. (IMG:style_emoticons/default/headbang.gif) (IMG:style_emoticons/default/agree.gif) ,a 'no load test' isn't the best indicator,these are good starters ,a strip down and clean will really wake them up,biggest issue is the commutator the gets oxidized and the segments get full of crap,you can polish the commutator with fine sandpaper then recut the segments with an old hacksaw blade,but you need to grind the set off the teeth so you don't enlarge the cuts. If the brushes are worn you can buy new ones @ any good auto electrical shop,usually they are ok. From a DIY it is a 7 out of ten with fairly simple tools. Get in there and do it (IMG:style_emoticons/default/beerchug.gif) . |
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